// --------------------------------------------------
// Flexbox LESS mixins
// The spec: http://www.w3.org/TR/css3-flexbox
// --------------------------------------------------

// Flexbox display
// flex or inline-flex
@mixin flex-display($display: flex) {
	display: '-webkit-'$display;
	display: '-moz-'$display;
	display: '-ms-'$display; // IE10 uses -ms-flexbox
	display: '-ms-'$display; // IE11
	display: $display;
}

// The 'flex' shorthand
// - applies to: flex items
// <positive-number>, initial, auto, or none
@mixin flex($columns: initial) {
  -webkit-flex: $columns;
     -moz-flex: $columns;
      -ms-flex: $columns;
          flex: $columns;
}

// Flex Flow Direction
// - applies to: flex containers
// row | row-reverse | column | column-reverse
@mixin flex-direction($direction: row) {
  -webkit-flex-direction: $direction;
     -moz-flex-direction: $direction;
      -ms-flex-direction: $direction;
          flex-direction: $direction;
}

// Flex Line Wrapping
// - applies to: flex containers
// nowrap | wrap | wrap-reverse
@mixin flex-wrap($wrap: nowrap) {
  -webkit-flex-wrap: $wrap;
     -moz-flex-wrap: $wrap;
      -ms-flex-wrap: $wrap;
          flex-wrap: $wrap;
}

// Flex Direction and Wrap
// - applies to: flex containers
// <flex-direction> || <flex-wrap>
@mixin flex-flow($flow) {
  -webkit-flex-flow: $flow;
     -moz-flex-flow: $flow;
      -ms-flex-flow: $flow;
          flex-flow: $flow;
}

// Display Order
// - applies to: flex items
// <integer>
@mixin flex-order($order: 0) {
  -webkit-order: $order;
     -moz-order: $order;
      -ms-order: $order;
          order: $order;
}

// Flex grow factor
// - applies to: flex items
// <number>
@mixin flex-grow($grow: 0) {
  -webkit-flex-grow: $grow;
     -moz-flex-grow: $grow;
      -ms-flex-grow: $grow;
          flex-grow: $grow;
}

// Flex shrink
// - applies to: flex item shrink factor
// <number> 
@mixin flex-shrink($shrink: 1) {
  -webkit-flex-shrink: $shrink;
     -moz-flex-shrink: $shrink;
      -ms-flex-shrink: $shrink;
          flex-shrink: $shrink;
}

// Flex basis
// - the initial main size of the flex item
// - applies to: flex itemsnitial main size of the flex item
// <width> 
@mixin flex-basis($width: auto) {
  -webkit-flex-basis: $width;
     -moz-flex-basis: $width;
      -ms-flex-basis: $width;
          flex-basis: $width;
}

// Axis Alignment
// - applies to: flex containers
// flex-start | flex-end | center | space-between | space-around 
@mixin justify-content($justify: flex-start) {
  -webkit-justify-content: $justify;
     -moz-justify-content: $justify;
      -ms-justify-content: $justify;
          justify-content: $justify;
}

// Packing Flex Lines
// - applies to: multi-line flex containers
// flex-start | flex-end | center | space-between | space-around | stretch 
@mixin align-content($align: stretch) {
  -webkit-align-content: $align;
     -moz-align-content: $align;
      -ms-align-content: $align;
          align-content: $align;
}

// Cross-axis Alignment
// - applies to: flex containers
// flex-start | flex-end | center | baseline | stretch 
@mixin align-items($align: stretch) {
  -webkit-align-items: $align;
     -moz-align-items: $align;
      -ms-align-items: $align;
          align-items: $align;
}

// Cross-axis Alignment
// - applies to: flex items
// auto | flex-start | flex-end | center | baseline | stretch 
@mixin align-self($align: auto) {
  -webkit-align-self: $align;
     -moz-align-self: $align;
      -ms-align-self: $align;
          align-self: $align;
}